Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Spirit Airlines

The cheapest airline(s) flying from Seattle to Philadelphia is Spirit Airlines.

  • Spirit Airlines Spirit Airlines
  • Frontier Airlines Frontier Airlines
  • Delta Air Lines Delta Air Lines
  • American Airlines American Airlines
  • United Airlines United Airlines
  • Southwest Airlines Southwest Airlines
  • Alaska Airlines Alaska Airlines
  • JetBlue Airways JetBlue Airways
Cheapest Month October

Travel Period: October 2024 - September 2025

The cheapest month(s) to fly from Seattle to Philadelphia is October.

  • Oct 2024
  • Nov 2024
  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
Cheapest Day of the Week Wednesday

The cheapest day(s) of the week to fly from Seattle to Philadelphia is Wednesday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Mon, 2 Sep, 2024

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    • Earliest
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  • Availability
    • M
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  • 21:39 SEA
    05:45 PHL
    5Hrs, 06m Direct
  • SEASeattle/Tacoma International Airport 21:39 - PHL 05:45 5h 06m Direct
  • SEASeattle/Tacoma International Airport 21:39
  • PHLPhiladelphia International Airport 05:45
  • 5h 06m
  • Direct
  • Alaska Airlines (AS 371)Boeing 737 Max 9 Passenger
  • Alaska Airlines (AS 371)
    • M
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    • S
  • Boeing 737 Max 9 Passenger
  • 08:00 SEA
    16:12 PHL
    5Hrs, 12m Direct
  • SEASeattle/Tacoma International Airport 08:00 - PHL 16:12 5h 12m Direct
  • SEASeattle/Tacoma International Airport 08:00
  • PHLPhiladelphia International Airport 16:12
  • 5h 12m
  • Direct
  • American Airlines (AA 3028)Airbus A321 Neo
  • American Airlines (AA 3028)
    • M
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  • Airbus A321 Neo
  • 08:00 SEA
    16:12 PHL
    5Hrs, 12m Direct
  • SEASeattle/Tacoma International Airport 08:00 - PHL 16:12 5h 12m Direct
  • SEASeattle/Tacoma International Airport 08:00
  • PHLPhiladelphia International Airport 16:12
  • 5h 12m
  • Direct
  • American Airlines (AA 3028)Airbus
  • American Airlines (AA 3028)
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  • 08:36 SEA
    16:46 PHL
    5Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 08:36 - PHL 16:46 5h 10m Direct
  • SEASeattle/Tacoma International Airport 08:36
  • PHLPhiladelphia International Airport 16:46
  • 5h 10m
  • Direct
  • Alaska Airlines (AS 442)Boeing 737 Max 9 Passenger
  • Alaska Airlines (AS 442)
    • -
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  • Boeing 737 Max 9 Passenger
  • 08:36 SEA
    16:46 PHL
    5Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 08:36 - PHL 16:46 5h 10m Direct
  • SEASeattle/Tacoma International Airport 08:36
  • PHLPhiladelphia International Airport 16:46
  • 5h 10m
  • Direct
  • Alaska Airlines (AS 442)Boeing 737
  • Alaska Airlines (AS 442)
    • -
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  • Boeing 737
  • 08:36 SEA
    16:46 PHL
    5Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 08:36 - PHL 16:46 5h 10m Direct
  • SEASeattle/Tacoma International Airport 08:36
  • PHLPhiladelphia International Airport 16:46
  • 5h 10m
  • Direct
  • Alaska Airlines (AS 442)Boeing 737 800
  • Alaska Airlines (AS 442)
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  • Boeing 737 800
  • 09:51 SEA
    18:01 PHL
    5Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 09:51 - PHL 18:01 5h 10m Direct
  • SEASeattle/Tacoma International Airport 09:51
  • PHLPhiladelphia International Airport 18:01
  • 5h 10m
  • Direct
  • Alaska Airlines (AS 442)Boeing 737
  • Alaska Airlines (AS 442)
    • -
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  • Boeing 737
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What’s the fastest flight time from Seattle to Philadelphia?

The fastest flight time for direct flights from Seattle to Philadelphia is 5 hours 6 minutes. Check latest flight schedules & prices on Wego.

How far is Philadelphia from Seattle?

The flight distance between Seattle and Philadelphia is 3820km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 08:00. The last flight of the day departs at 17:10. See the full list of flight times on Wego.

How many airlines offer direct flights from Seattle to Philadelphia?

There are 2 airlines that offer direct flights from Seattle to Philadelphia. Find out the list of airlines on Wego.